package com.lihongrui.cate.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.lihongrui.cate.common.R;
import com.lihongrui.cate.entity.Employee;
import com.lihongrui.cate.mapper.EmployeeMapper;
import com.lihongrui.cate.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;
import java.util.List;
import java.util.concurrent.locks.Condition;

/**
 * @author lihongrui
 * @create 2022-12-05 22:12
 */
@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

    @Autowired
    private EmployeeMapper employeeMapper;

    /*
      员工登录
    * */
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee) {
        //1,将页面提交的用户名username查询数据库
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        //2,根据页面提交的用户名username查询数据库
        LambdaQueryWrapper<Employee> wrapper = Wrappers.<Employee>lambdaQuery().eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(wrapper);
        if (emp == null) {
            return R.error("登录失败!");
        }
        //3,密码比对，如果不一致则返回登录失败结果
        if (!emp.getPassword().equals(password)) {
            return R.error("登录失败!");
        }
        //4,查询员工状态，如果已禁用状态，则返回员工已经禁用结果
        if (emp.getStatus() == 0) {
            return R.error("账号已经禁用!");
        }
        //5,登录成功，将员工id存入Session并返回登录成功结果
        request.getSession().setAttribute("employee", emp.getId());
        return R.success(emp);
    }

    /*
    员工退出
    * */
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request) {
        //清理session中保存的当前登录员工的id
        request.getSession().removeAttribute("employee");
        return R.success("退出成功!");
    }

    /*
    新增员工
    * */
    @PostMapping
    public R<String> save(HttpServletRequest request, @RequestBody Employee employee) {
        log.info("新增员工，员工信息：,{}", employee.toString());
        //设置初始密码123456，需要进行md5加密处理
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());
//        //获得当前登录用户的id
//        Long empId = (Long) request.getSession().getAttribute("employee");
//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);
        employeeService.save(employee);
        return R.success("新增员工成功!");
    }

    /*
    员工信息的分页查询
    * */
    @GetMapping("/page")
    public R<Page<Employee>> page(int page, int pageSize, String name) {
        long id = Thread.currentThread().getId();
        log.info("线程id:{}",id);
        log.info("page={},pageSize={},name={}", page, pageSize, name);
        //构造分页构造器
       Page<Employee> pageInfo = new Page(page, pageSize);
        //执行查询
        pageInfo = pageInfo.setRecords(employeeMapper.selectName(pageInfo, name));
//        employeeService.page(pageInfo,wrapper);
        return R.success(pageInfo);
    }

    /*
    根据id修改员工信息
    * */
    @PutMapping
    public R<String> update(HttpServletRequest request, @RequestBody Employee employee) {
        log.info(employee.toString());
        Long empId = (Long) request.getSession().getAttribute("employee");
//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        return R.success("员工信息修改成功");
    }

    /*
    根据id查询员工信息
    * */
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id) {
        log.info("根据id查询员工信息...");
        Employee employee = employeeService.getById(id);
        if (employee != null) {
            return R.success(employee);
        }
        return R.error("没有查询到对应员工信息!");
    }
}
